F23D 14/38
Torches
Official title: Torches, e.g. for brazing or heating (nozzles F23D14/48)
F23D14/38 (Torches) appears on 260 US grants and 207 published applications in this corpus.
Search patents in F23D- Granted patents
- 260
- Published applications
- 207
- Assignees
- 154
- Inventors
- 456
- Latest grant
- 10 Feb 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 3 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 6 | 0 |
| 1982 | 5 | 0 |
| 1983 | 3 | 0 |
| 1984 | 9 | 0 |
| 1985 | 4 | 0 |
| 1986 | 1 | 0 |
| 1987 | 6 | 0 |
| 1988 | 3 | 0 |
| 1989 | 8 | 0 |
| 1990 | 4 | 0 |
| 1991 | 2 | 0 |
| 1992 | 5 | 0 |
| 1993 | 4 | 0 |
| 1994 | 3 | 0 |
| 1995 | 12 | 0 |
| 1996 | 9 | 0 |
| 1997 | 4 | 0 |
| 1998 | 12 | 0 |
| 1999 | 8 | 0 |
| 2000 | 4 | 0 |
| 2001 | 11 | 2 |
| 2002 | 4 | 6 |
| 2003 | 0 | 5 |
| 2004 | 7 | 8 |
| 2005 | 5 | 6 |
| 2006 | 3 | 7 |
| 2007 | 1 | 5 |
| 2008 | 2 | 7 |
| 2009 | 2 | 8 |
| 2010 | 2 | 11 |
| 2011 | 3 | 4 |
| 2012 | 4 | 7 |
| 2013 | 7 | 15 |
| 2014 | 7 | 6 |
| 2015 | 7 | 8 |
| 2016 | 6 | 9 |
| 2017 | 6 | 10 |
| 2018 | 13 | 8 |
| 2019 | 6 | 17 |
| 2020 | 7 | 14 |
| 2021 | 14 | 8 |
| 2022 | 8 | 12 |
| 2023 | 5 | 4 |
| 2024 | 5 | 11 |
| 2025 | 6 | 5 |
| 2026 | 1 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Decorative gas stove10 Feb 2026US 12,546,483 B2Shinerich Industrial Ltd.
- Torch head of blowtorch26 Aug 2025US 12,398,882 B2Pro-Iroda Industries, Inc.
- Burning apparatus for railway repair15 Jul 2025US 12,358,072 B2Goldschmidt Holding GmbH
- Audio signal driven torch and torch system25 Mar 2025US 12,262,163 B2Red Weather Systems Inc.
- Rotating electrical connection with locking axial and radial positions for use in welding and cutting devices11 Mar 2025US 12,247,734 B2
- Torch assembly27 Aug 2026US 2026/0251298 A1Worthington Torch, LLC
- Torch assembly27 Aug 2026US 2026/0251299 A1Worthington Torch, LLC
- Torch5 Mar 2026US 2026/0063293 A1
- Method for the autogenous processing of metals29 Jan 2026US 2026/0029124 A1Messer Cutting Systems GmbH
- Oxy-fuel welding and cutting system and method of operating the system4 Dec 2025US 2025/0367744 A1Messer Cutting Systems GmbH
Most cited
By later US patents